Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

81444444 (number)

81444444 is an even 8-digits composite number following 81444443 and preceding 81444445. In scientific notation, it is written as 8.1444444 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 27148144 positive integers (up to 81444444) that are relatively prime to 81444444.

Interesting facts

81444444 has 12 divisors, whose sum is 190037064
The reverse of 81444444 is 44444418
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million four hundred forty-four thousand four hundred forty-four

Notation

Scientific notation	8.1444444 × 10^7
Engineering notation	8.1444444 × 10^6

Prime Factorization of 81444444

Prime Factorization 2 × 2 × 3 × 6787037

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	40722222	Product of the distinct prime numbers

The prime factorization of 81444444 is 2 × 2 × 3 × 6787037. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 9, 3, 41, 363, 327, 9895, 3264, 7380, 64677, 469488, 281529, 8780465, 1573200, 89465911, 64895165, 571170982, 715783946, 1380250033, 664648128

Basic calculations (n = 81444444)

Multiplication

n×y

n×2	162888888
n×3	244333332
n×4	325777776
n×5	407222220

Division

n÷y

n÷2	40722222
n÷3	27148148
n÷3	20361111
n÷5	16288888.8

Exponentiation

n^y

n²	6633197458469136
n³	5.4023707894723E+23
n⁴	4.3999308523041E+31
n⁵	3.5834992190436E+39

Nth Root

^y√n

²√n	9024.65755583
³√n	433.46478510361
⁴√n	94.998197645166
⁵√n	38.209582518014

Divisors of 81444444

1, 2, 3, 4, 6, 12, 6787037, 13574074, 20361111, 27148148, 40722222, 81444444

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81444443	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1	Returns the nth root of the product of n divisors
H	Harmonic Mean	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81444444 can be divided by 12 positive divisors. The sum of these divisors (counting 81444444) is 1, the average is 0.083333333333333.

Base conversion 81444444

Base	System	Value
2	Binary	100110110101011111001011100
3	Ternary	12200020210202220
4	Quaternary	10312223321130
5	Quinary	131322210234
6	Senary	12025345340
8	Octal	466537134
10	Decimal	81444444
12	Duodecimal	23338250
16	Hexadecimal	4dabe5c
20	Vigesimal	1590b24
36	Base36	1chmxo

Cryptographic Hash Functions

md5	2760920bb3631ddc68b996c7c87a49c7
sha1	8558b6e3edf9535f40220499226ff30131670597
sha256	193599867fd64fabbbfa02695ac41fca42c7131b8967ce8b8c7f6b0640dfc084
sha512	eac7f4430177f7a1d05b03aeb78da3d3766d551c7267e25fb116c2877d8b23c5264dc6ed87b6567bdafaa8da21a2bb550f19d4c3bba35403f2f28d4445f25092
ripemd-160	d265ea23046902b5ea52b8c1ffeb5c06e781f9a1

81444444 as geometric shapes

Circle

Radius = n

Diameter	162888888
Circumference	511730533.89221
Area	2.0838804405337E+16

Sphere

Radius = n

Volume	2.2629397845566E+24
Surface area	8.3355217621348E+16
Circumference	511730533.89221

Square

Length = n

Perimeter	325777776
Area	6633197458469136
Diagonal	115179837.28474

Cube

Length = n

Surface area	39799184750814816
Volume	5.4023707894723E+23
Space diagonal	141065915.0022

Equilateral Triangle

Length = n

Perimeter	244333332
Area	2.8722587536763E+15
Altitude	70532957.501099

Triangular Pyramid

Length = n

Surface area	2.8722587536763E+15
Volume	6.3667550328667E+22
Height	38393279.094912